72673198 has 16 divisors (see below), whose sum is σ = 124301520. Its totient is φ = 31568256.

The previous prime is 72673193. The next prime is 72673199. The reversal of 72673198 is 89137627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72673193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81768 + ... + 82651.

It is an arithmetic number, because the mean of its divisors is an integer number (7768845).

Almost surely, 2^72673198 is an apocalyptic number.

72673198 is a deficient number, since it is larger than the sum of its proper divisors (51628322).

72673198 is a wasteful number, since it uses less digits than its factorization.

72673198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164451.

The product of its digits is 127008, while the sum is 43.

The square root of 72673198 is about 8524.8576527705. The cubic root of 72673198 is about 417.3093262011.

The spelling of 72673198 in words is "seventy-two million, six hundred seventy-three thousand, one hundred ninety-eight".